MolluscaBase taxon details
basis of record
Keen, A. M. (1971). Sea Shells of Tropical West America. Marine mollusks from Baja California to Peru. ed. 2. Stanford University Press. xv, 1064 pp., 22 pls. [details]
additional source
Keen, A.M. (1968). West American mollusk types at the British Museum (Natural History). IV. Carpenter's Mazatlan collection. <em>The Veliger.</em> 10(4): 389-439, pl. 55-59., available online at http://biodiversitylibrary.org/page/42414196 [details]